package com.fjl.javatest;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public class intTest {
	public static void main(String[] args) {
		Integer a = null;
		System.out.println(a);
		double c = Math.pow(2, 4);
		System.out.println("c:"+c);
		
		long l = (long) 1.53;
		System.out.println("l:"+l);
		
		int test = 1/2 +1;
		System.out.println("test:"+test);
	}

}
